(2) Operating winterfront cover.
(a) During cold weather conditions, when the engine cannot maintain normal operating
temperatures, attach winterfront cover (1) to radiator brush guard.
If engine temperature continues to rise after opening aperture flap, remove
winterfront cover completely to avoid overheating.
(b) Open aperture flap (2) when engine temperature rises above 180 F.
(c)Close aperture flap (2) when engine temperature stays below 180 F.
(d) Close aperture flap (2) during standby periods, and overnight.
d. Operation of Artic Winterization Kit.
(1) General. The arctic winterization kit is designed for use in areas where average
temperature is -25 F. to -65F.
(2) Installation of quilted cargo compartment cover (3) and quilted engine compartment
cover (4) is performed at direct support level.